OF NEW ZEALAND. 1153 



prove to connect the genus Syrphetodes with Pseudopatntm ; though 

 one or two intermediate links as regards the antennary orbits and 

 eyes are required before we are warranted in considering this affinity 

 as established. 



2042. P. helmsi, n.s. (Sharp; Trans. Roy. Dub. Soc., 1886, 

 p. 408.) Oblongum, haud depressum, supraplanulatum, fuscum, 

 opacum, tenuiter setosum ; elytris ad latera et apicem irregulariter 

 tuberculatis ; antennis pedibusque testaceis. 



Long., 7mm. 



Antenna with third joint one and a half times as long as the 

 second, a little thickened from the fifth joint to the extremity, the 

 terminal joint being the largest. The upper surface is obscurely 

 sculptured in the form of very minute asperities, quite irregularly 

 placed ; there is an irregular longitudinal depression along the 

 middle of the thorax more free from sculpture than the rest of the 

 surface. The thorax is rather broader than long, moderately emargi- 

 nate in front, the sides a little narrowed behind, the outline irregular, 

 the hind angles nearly rectangular. The scutellum can scarcely be 

 distinguished. The wing-cases are parallel-sided, and their outline 

 behind becomes quite irregular on account of the nodules ; there are 

 also two irregular transverse series of nodules extending across the 

 declivous apex. The very broad basal portion of the pseudepipleura 

 bears large shallow punctures. 



Greymouth. Helms. 



Exohadrus. 



Nov. gen. 



Allied to Paraphylax, differing therefrom as follows : Terminal 

 joint of maxillary palpi more slender and subacuminate. Head 

 immersed up to the eyes. Thorax with strongly-rounded and 

 elevated lateral margins, so much raised that the disc is less 

 elevated than they are, anterior angles partially overlapping the 

 eyes. Elytra subquadrate, scutellar region not depressed, humeral 

 angles obtusely prominent. Antenna more slender, setose, last two 

 joints abruptly broader than their predecessors. 



No. 646 is the representative species, now Exohadrus voluti- 

 thorax. 



Group ULOMID-ffi. 

 Apthora. 



2043. A. glabritarsis, n.s. (Sharp; Trans. Boy. Dub. Soc., 

 1886, p. 408.) Oblong a t parallela, nigerrima, nitida ; prothorace fere 

 impunctato, margine laterale posterius crasso ; elytris seriatim sub- 

 tiliter punctatis. 



Long., 12mm. 



Antenna short, black ; each joint from the third to the tenth a 

 little shorter and broader than its predecessor ; the penultimate 



